{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x69e9d631bb0f123ff356c28ebff673f06f9f320e168d532483cdcada17c8b412",
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}